SUBSTATION AND EQUIPMENT - Practice Mode

1) Which metal is used as contacts in substation switches?
Correct Answer: Silver
2) What is indoor sub-station?
Correct Answer: Sub-station constructed inside the building
3) Which material is used for making bus bars in indoor substation?
Correct Answer: Steel
4) What is the purpose of Indoor sub-station?
Correct Answer: To step down the voltage
5) How many types of outdoor sub-station?
Correct Answer: Two